Kindness itself was the star of an assembly at Pinon Hills Elementary School on Thursday. "You guys get it - the mission of our foundation - treating others the way you want to be treated," Drew Stevens, founder of the Josh Stevens Foundation, told students. "Josh wasn't rich or famous. You don't have to be rich or famous to make an impact. You don't even have to be an adult to make an impact."Stevens said that Pinon Hills has been on top of his list of places to visit due to the school's "Be Kind" campaign and its ability to …